When to Plant Orlayas in Bitlis, Turkey

Step by step in Bitlis

Import into Apple Calendar, Google Calendar or Outlook. Dates use the selected risk level and are planning estimates, not frost alerts.

Each window is a planning range. Check the forecast, soil and cultivar before planting; a later date is not automatically safer in hot or wet conditions.

Start indoors

27 Feb - 27 Mar

Eight weeks before your last frost, under cover or on a windowsill.

Sow direct

29 Mar - 26 Apr

Delayed by a soil-warming estimate derived from historical air temperatures. The frost-only date would be 27 Mar. Measure your soil before planting.

Plant out

10 Apr - 8 May

Two weeks before your last frost.

In flower

27 Jun - 27 Jul

Frost tolerance

Hardy

Damaged below

-12°C (10.4°F)

Days to flowering

90–120

Hardy to

Zone 3a–9a

Min soil temp

5°C (41°F)

Spacing

25 cm

Sowing depth

5 mm (0.2 in)

Sun

Full

Orlayas through the year

Against the frost risk in Bitlis

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Orlayas

Frost risk Start indoors Sow direct Plant out Harvest Today

Seasonal context

Rainfall and the growing season in Bitlis

April has the highest average precipitation (88 mm); August has the lowest (3 mm). Compare this pattern with the planting windows and your water supply.

Jan 83 mm

Feb 83 mm

Mar 88 mm

Apr 88 mm

May 58 mm

Jun 16 mm

Jul 6 mm

Aug 3 mm

Sep 11 mm

Oct 56 mm

Nov 62 mm

Dec 84 mm

During wetter months, check that beds and containers drain after heavy rain. During drier months, plan how you will keep seeds and new transplants watered. Monthly averages can hide long dry spells and intense storms; they do not show soil moisture, humidity or this week's weather.

Source: NASA POWER, corrected MERRA-2 precipitation, 2001–2020. Values are approximate monthly totals, including the water equivalent of snow, from the nearest 0.5° × 0.625° grid cell. This reference period differs from the temperature record. Rainfall provides context and does not change the calculated planting dates. Method and limitations.

Monthly growing conditions in Bitlis

Compare the planting window with the local temperature pattern. These are historical monthly averages, not this year's forecast or measured soil temperatures. Average frost days do not tell you whether a particular night will freeze.

NASA POWER climate averages, 1995–2024
Month	Average low	Average high	Frost days
January	-9.1°C (15.6°F)	-0.5°C (31.2°F)	30.7
February	-7.5°C (18.5°F)	1.1°C (33.9°F)	27.3
March	-2.3°C (27.8°F)	6.1°C (43°F)	22.7
April	2.4°C (36.3°F)	12.4°C (54.4°F)	6.9
May	7°C (44.6°F)	18.2°C (64.8°F)	0.2
June	11.9°C (53.4°F)	26.2°C (79.2°F)	0.0
July	16.1°C (61°F)	32.3°C (90.1°F)	0.0
August	16.7°C (62.1°F)	32.3°C (90.2°F)	0.0
September	12.1°C (53.7°F)	26.3°C (79.4°F)	0.0
October	6.4°C (43.4°F)	18.1°C (64.6°F)	1.7
November	-0.4°C (31.3°F)	9.6°C (49.2°F)	15.6
December	-5.6°C (22°F)	2.8°C (37°F)	28.2

For orlayas, also check drainage, sunlight and cultivar requirements. See the rainfall context above; humidity, irrigation and local pest pressure are not calculated.

Local growing check

Before choosing orlayas for Bitlis

April is the wettest month in the rainfall grid, averaging about 88 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.

The temperature and rainfall tables on this page show the underlying climate estimates. How these suitability checks work · Record what happens in your garden.

Before you plant orlayas

Use the calendar to plan ahead, then check the conditions in your own garden.

Measure the soil at sowing depth. Aim for at least 5°C (41°F); the calendar estimates soil warmth from air temperatures and cannot measure your bed.
Frost tolerance does not make saturated or frozen soil suitable for planting. Wait until the bed can be worked without smearing or compacting it.
Harden off plants raised indoors: gradually expose them to outdoor light, wind and temperature before their final move into the bed.
Use the maturity range on your seed packet when choosing a variety. Cold, short days and transplant stress can make harvest later than the calendar estimate.

Choose orlaya's sowing season for the display you need

Choose an open, sunny position with well-drained soil; the RHS notes that poor soil can be suitable. Its UK guidance distinguishes autumn sowing for earlier, larger plants from spring sowing for a later display. Use that comparison with local winter advice rather than copying those months worldwide.

Remove finished flowers or cut down spent stems if seed is not wanted. Record plant height, first flowering and useful cutting stems for each batch. If you want to compare seasons, keep the strain and site consistent so the result reflects timing rather than several changes at once.

What to record this season

Which sowing season gave the most useful height and flowering period in your garden? Add the cultivar, sowing date and conditions to your growing record so you can compare next season.

Further reading: Orlaya grandiflora | white laceflower . General crop guidance; local dates on this site are calculated separately. Source checked 19 September 2026 by Safe to Plant; this is not an expert review.

The RHS reference is written for UK growing conditions. Use its cultivation advice with local seasonal guidance; UK sowing months are not worldwide planting dates.

How the dates are calculated and their limits · Keep a growing record · Report a local discrepancy

Why these dates

Choose an open, sunny position with well-drained soil; the RHS notes that poor soil can be suitable. Its UK guidance distinguishes autumn sowing for earlier, larger plants from spring sowing for a later display. Use that comparison with local winter advice rather than copying those months worldwide.

Check the named variety and local forecast before exposing young growth. The catalog cold-damage figure is a reference, not a guarantee: plant age, acclimatisation, wind and the duration of a freeze affect damage.

This calendar uses frost-relative offsets as a starting point. Orlayas are timed from 8 weeks before that frost for an indoor start, with planting out 2 weeks before it, and this page simply resolves those offsets against the frost date computed for Bitlis.

The calendar also applies a soil-warming estimate derived from historical air temperatures. Where that estimate is later than the frost-based date, it delays the window. Soil in your own garden can warm earlier or later; a thermometer at sowing depth is a better final check. Cold, wet conditions can slow germination and increase decay risk.

Bitlis is zone 6a, within the crop's general range. This is an initial cold-hardiness check; cultivar, exposure, drainage and unusual winters can still change the outcome.

The median frost-free season here is 191 days, against 90 to 120 days to first flower for this crop counted from sowing. That margin is what decides whether a late sowing is worth attempting.

See every crop timed for Bitlis →

Nearby

Orlayas in places close by

Tatvan 18 km Ahlat 50 km Siirt 54 km Muş 65 km Adilcevaz 70 km Silvan 100 km

Also in Bitlis

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Growing orlayas in Bitlis

Can I grow orlayas in Bitlis?

The calendar estimates a planting window, not a guarantee of success. April is the wettest month in the rainfall grid, averaging about 88 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.

When should I plant orlayas in Bitlis?

Aim for 29 Mar - 26 Apr in an average year. If you would rather not gamble on the weather, wait until 9 Apr - 7 May - by then frost has finished in nine years out of ten.

Can I plant orlayas earlier in Bitlis?

The historical frost estimate is 27 Mar. For Orlayas, an air-temperature model estimates soil warmth of about 5°C (41°F) around 29 Mar. This is not a soil measurement or a forecast. Check your bed at sowing depth; cold, wet conditions can slow growth and increase decay risk.

When might orlayas flower in Bitlis?

The estimated period is 27 Jun - 27 Jul, based on 90 to 120 days from the modeled planting date. Cultivar, planting material and growing conditions can change this interval; check the plant as well as the calendar.

How much frost will orlayas tolerate?